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Smitty Two

In article ,
(Don Klipstein) wrote:

In ,
Andy wrote in part:

Sprinkle Boric acid (Roach Prufe) powder on the surface and put the
rat poison in the middle.

The Boric acid won't deter the rats, but will wipe out the roaches.
It isn't poisonous, but interferes with there reproductive system.

Wiki says it has a toxic effect on roaches if eaten by them, and it
also mucks up their exoskeletons.

My experience is that Combat and similar roach baits are somewhat
effective.

Also in my experience, little else easily available kills roaches except
brute force, heat, and getting them wet with organic solvents.

My vote goes to Roach Prufe.